Doctor profile · Federal record

Dr. Mark R Kobayashi, MD

Plastic Surgery Physician (CMS: Plastic and Reconstructive Surgery) · Orange, CA

  • NPI 1518047729
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uci Medical Center, 101 the City Drive South
Orange, CA 92868
(714) 456-8978
Mailing address
Plastic Surgery Division - Uci, Po Box 515072
Los Angeles, CA 900515072

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
208200000X — NUCC code
State license (1)
California #000000A43597

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518047729. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$2,794
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 30 24 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 23 19 $72

In context: peer comparison

Among 2 peers in Orange Plastic Surgery Physician, average services per provider: 27. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark R Kobayashi's medical specialty?
Dr. Mark R Kobayashi practices Plastic Surgery Physician in Orange, CA.
Where does Dr. Mark R Kobayashi practice?
Dr. Mark R Kobayashi practices at Uci Medical Center, Orange, CA 92868. Office phone: 7144568978.
What is Dr. Mark R Kobayashi's NPI?
Dr. Mark R Kobayashi's National Provider Identifier (NPI) is 1518047729, issued by NPPES.
Does Dr. Mark R Kobayashi accept Medicare assignment?
Yes. Dr. Mark R Kobayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark R Kobayashi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.